【多选题】【消耗次数：1】
常用溶剂中不能与水完全混溶的溶剂是
①
乙醇
②
丙酮
③
乙醚
④
正丁醇
⑤
氯仿
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【判断题】
问：正丁醇(CH3CH2CH2CH2OH)的沸点(117℃)比它的同分异构体乙醚(CH3CH2OCH2CH3)的沸点(34.5℃)高得多，但两者在水中的溶解度均为8g/100g水，试解释之。 解：正丁醇分子之间可以形成分子间氢键，而乙醚分子之间不能形成氢键，所以正丁醇的的沸点远高于乙醚。但二者均可水分子形成氢键，所以它们在水中都有一定的溶解度(8g/100g水)。 评：这个解释合情合理！
①
正确
②
错误
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